temp is not defined outside of the RCU critical section here. Ensure
we grab that value before we drop the rcu_read_lock.
Reported-by: NAl Viro <viro@zeniv.linux.org.uk>
Signed-off-by: NJeff Layton <jlayton@kernel.org>
Signed-off-by: NIlya Dryomov <idryomov@gmail.com>